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Abstract
In this paper, the higher-order type 2 Daehee polynomials are introduced and some of their relations and properties are derived. Then, some p-adic integral representations of not only higher-order type 2 Daehee polynomials and numbers but also type 2 Daehee polynomials and numbers are acquired. Several identities and relations related to both central factorial numbers of the second kind and Stirling numbers of the first and second kinds are investigated. Moreover, the conjugate higher-order type 2 Daehee polynomials are considered and some correlations covering the type 2 Daehee polynomials of order β and the conjugate higher-order type 2 Daehee polynomials are attained.
1. Introduction
Recently, Kim et al. [Citation1] considered the higher-order type 2 Bernoulli polynomials of the second kind as follows
(1)
(1) and investigated several relations and formulae associated with central factorial numbers of the second kind and the higher-order type 2 Bernoulli polynomials. Inspired and motivated by the above study, here we consider the higher-order type 2 Daehee polynomials and derive some of their relations and properties. Also, we provide p-adic integral representations of type 2 Daehee polynomials and their higher-order polynomials. We then investigate some identities and relations. Moreover, we consider the conjugate type 2 Daehee polynomials of order β and acquire relationships including the type 2 Daehee polynomials of order β and the conjugate higher-order type 2 Daehee polynomials.
Let in conjunction with
and
be the completion of the algebraic closure of
, cf. [Citation2–10], where p be a prime number and the normalized p-adic absolute value is provided by
. For
(g being a continuous map), the p-adic bosonic integral of g is given as follows:
(2)
(2) It is observed from (Equation2
(2)
(2) ) that
(3)
(3) where
and
, cf. [Citation2–10].
The familiar Bernoulli polynomials are defined as follows (cf. [Citation1,Citation6,Citation7,Citation11–18])
The type 2 Bernoulli polynomials
are given as follows (cf. [Citation1,Citation14,Citation19])
(4)
(4) When
, we acquire
termed the type 2 Bernoulli numbers. We note
for
.
The cosecant polynomials are defined by
(5)
(5) In this particular case
are termed the cosecant numbers that are a hot topic and have been worked in [Citation1,Citation14,Citation19]. Here we observe that
for
. The sums of powers of consecutive integers can be computed by the Bernoulli polynomials as follow:
(6)
(6) and it is noted that (cf. [Citation1,Citation14,Citation19])
(7)
(7) The higher-order type 2 Bernoulli polynomials are defined as follows:
(8)
(8) The Stirling numbers
of the second kind are given by (cf. [Citation9,Citation13,Citation20–22])
(9)
(9) and the Stirling numbers
of the first kind are provided by (cf. [Citation2,Citation13,Citation19])
(10)
(10) which satisfies
(11)
(11) The central factorial numbers
of the second kind are defined by (cf. [Citation17,Citation23–25])
(12)
(12) where
for
and
By (Equation12
(12)
(12) ), the generating function of
is provided by (cf. [Citation23])
(13)
(13) Note that
for n<r.
2. Higher-Order type 2 Daehee polynomials
The familiar Daehee polynomials are introduced by (cf. [Citation2,Citation3,Citation5,Citation8–10,Citation21,Citation26]):
(14)
(14) In this particular case
,
are termed the Daehee numbers. By the formula (Equation2
(2)
(2) ) and (Equation14
(14)
(14) ), we have
(15)
(15) where
for
with
.
By (Equation15(15)
(15) ), it is readily seen that
The usual higher-order Daehee polynomials are introduced by (cf. [Citation8,Citation27])
(16)
(16) The following relation holds (cf. [Citation8,Citation27])
The exponential generating functions of type 2 Daehee polynomials
and numbers
are given by (cf. [Citation9])
(17)
(17) and
(18)
(18) We readily observe that
. In [Citation9], Kim et al. analyzed diverse relationships and properties of these polynomials and numbers by using their generating functions.
Now, we aim to investigate more properties and representations of the mentioned numbers and polynomials. We first compute, from (Equation3(3)
(3) ) and (Equation18
(18)
(18) ), the following bosonic p-adic integrals
and
which means
Thus, we acquire the Volkenborn integral representations of
as given below.
Theorem 2.1
The following Volkenborn integral representation of
holds for
and in addition, utilizing (Equation11
(11)
(11) ), the following relation
(19)
(19) holds for
.
Remark 2.1
The following p-adic integral representation
holds for
.
Kim and Kim [Citation9] introduced the type 2 Daehee polynomials of order denoting the set of all real numbers by
(20)
(20) In this particular case
,
are termed the type 2 Daehee numbers of order β.
By means of (Equation20(20)
(20) ) and choosing
, we have
(21)
(21) If we change z by
in (Equation21
(21)
(21) ), we then acquire
(22)
(22) and also
(23)
(23) Thus, by means of (Equation22
(22)
(22) ) and (Equation23
(23)
(23) ), we provide the following relation.
Theorem 2.2
For we have
For , upon setting
and changing z by
in (Equation21
(21)
(21) ), we then investigate
and also
Thereby, we give the following result.
Theorem 2.3
For we have
and particularly,
If we change z by in (Equation13
(13)
(13) ), we observe that
and
which provide the following relationship.
Theorem 2.4
The following relationship
holds for
.
Note that the higher-order cosecant polynomials are defined by (see [5,8,16])
(24)
(24) In this special case
,
are termed the higher-order cosecant numbers.
If we change z by in (Equation24
(24)
(24) ), we then obtain
which means the following result.
Theorem 2.5
The following correlation
holds for
and
.
Kim-Kim [Citation9] defined the higher-order type 2 Bernoulli polynomials by
(25)
(25) In this particular case
,
are termed the higher-order type 2 Bernoulli numbers.
If we change z by in (Equation25
(25)
(25) ), we then attain
and also
which means the following relationship.
Theorem 2.6
The following relationship
is valid for
and
.
It is observed that
which gives
Here, we define the conjugate higher-order type 2 Daehee polynomials by
(26)
(26) In this particular case
,
are termed the conjugate higher-order type 2 Daehee numbers. By means of (Equation26
(26)
(26) ), we derive
which means
(27)
(27) By formula (Equation27
(27)
(27) ), it is readily seen that
which implies the following formulas.
Theorem 2.7
Each of the following relations
and
is valid for
.
3. Conclusion
In this paper, the higher-order type 2 Daehee polynomials have been studied and several of their relations and properties have been derived. Some p-adic integral representations of type 2 Daehee polynomials and the higher-order type 2 Daehee polynomials have been acquired. Then, diverse identities and relations related to the central factorial numbers of the second and the Stirling numbers of the second and the first kinds have been investigated. Moreover, the conjugate higher-order type 2 Daehee polynomials have been considered and two relationships including the type 2 Daehee polynomials of order β and the conjugate higher-order type 2 Daehee polynomials have been provided.
Disclosure statement
No potential conflict of interest was reported by the authors.
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